Is SCRIB p.Arg914Cys (c.2740C>T) pathogenic?

SCRIB p.Arg914Cys (c.2740C>T) is classified Uncertain significance in SCRIB (ClinVar, Single submitter, 1 submitter; last evaluated 2024-08-20). AlphaMissense: ambiguous (0.4271); Very rare (popmax 0.0073%, amr).

How common is SCRIB p.Arg914Cys (c.2740C>T) in the general population?

SCRIB p.Arg914Cys (c.2740C>T) is very rare (popmax 0.0073%, amr) (gnomAD).

What do computational predictors say about SCRIB p.Arg914Cys (c.2740C>T)?

AlphaMissense predicts ambiguous (score 0.4271) — an in-silico prediction, not a clinical call.

SCRIB p.Arg914Cys

c.2740C>T · VCV3438427

Uncertain significance Single submitter

Classification

Uncertain significance

ClinVar

Review

Single submitter ★☆☆☆

ClinVar · 1 submitter

AlphaMissense

ambiguous

0.4271 · ACMG-weighted

gnomAD v4.1

Rare

very rare (popmax 0.0073%, amr)

Computational evidence

Protein change
AlphaMissense	0.4271	ambiguous
REVEL	0.305	indeterminate
SaProt	LLR -12.54	damaging
Splicing
SpliceAI	—	not assessed · no allele here is in the release
Constraint at this position
Conservation	phyloP 3.5	GERP 1.5, phastCons 1
Regional constraint	o/e 1.13	unconstrained · MANE · 20 kb · p 9.1e-08 · regional, not allelic
Overall
CADD	29.5	PHRED · no single calibrated threshold — expert panels disagree

AlphaMissense carries the ACMG weight for missense; REVEL and SaProt are independent agreement signals.

Population frequency

gnomAD v4.1 · exomes + genomes

Grpmax group 0.0073% Admixed American · 4/54,810 alleles

Filtering AF 0.0024% ClinGen BA1/BS1 input FAF95, joint · FAF99 0.00145%

Overall 0.000831% 13/1,564,682 alleles · very rare exomes 10/1,412,620 · genomes 3/152,062 · joint denominator

Ancestry group	Frequency	1 in
Admixed Americangrpmax	0.0073%	13,702
African / African-American	0.00269%	37,184
Remaining individualsnot grpmax-eligible	0.00164%	60,828
European (non-Finnish)	0.000516%	193,627

Rarity supports pathogenicity (ACMG PM2); frequency above a disease-specific BA1/BS1 threshold argues against it. A variant frequent in one ancestry group can be near-absent in others, so a single global figure can mislead.

Variant & gene context

Gene: SCRIB
Protein: p.Arg914Cys
Coding: c.2740C>T
MANE Select: NM_182706
Type: single nucleotide variant
Location: chr8:143804945 (GRCh38)
Gene constraint: LOEUF 0.684 · pLI <0.01 (gnomAD)
Structure: AlphaFold pLDDT 52.33 · 42 PDB
Residue 914: a β-strand; the pdz 2 domain; the 'interaction with arhgef7' region; the 'required for interaction with vim' region

Full SCRIB gene report on Sugi Atlas → Gene function, pathways, protein structure, interactions & more

Similar variants

SCRIB p.Arg914His Uncertain significance ★ ⚠ same residue
SCRIB p.Arg914Leu Uncertain significance ★ ⚠ same residue
SCRIB c.3120+10C>G Benign/Likely benign ★★ same type
SCRIB c.504-9C>T Benign ★★ same type
SCRIB p.Ala1488= Likely benign ★★ same type
SCRIB p.Arg492= Benign ★★ same type
SCRIB p.Asn647= Benign/Likely benign ★★ same type
SCRIB p.Leu254= Benign ★★ same type

Built on 18 open, versioned datasets — ClinVar, gnomAD, AlphaMissense, REVEL, ClinGen & more — plus Sugi Variant's own cross-source analysis. Source data 2026-01–2026-10, ClinVar 2026-10. Full sources & versions →

Cite Sugi Variant

Gür T. Sugi Variant: A Deterministic Per-Variant Germline Reference from a Knowledge Graph for Humans and AI Agents. 2026. doi:10.5281/zenodo.21509445. This variant: https://sugi.bio/variant/scrib-p-arg914cys (accessed [today's date]).

Preprint & method: sugi.bio/variant/method Machine-readable: this page as Markdown